The purpose of the research reported in this monograph has been twofold. First, it aims at contributing to an inquiry of the ways in which language and context are intertwined. Second, it aims at giving a characterization of a specific communicative event, second language teaching. The study starts out from a broad social-theoretical perspective, inspired by language game theory and ethnomethodology, as well as Goffman's (1974) 'frame analysis' and the work of Ragnar Rommetveit (1974, 1987). Levinson's (1979) notion 'activity type' is used in exploring how relevance criteria and frames of interpretation vary with the context of the activity in which language is used. The empirical material for the study consists of eight dyadic lessons of Swedish as a second language in grades 4-6 of the Swedish comprehensive, compulsory school. As material for comparison, the pupils, 10-12 year old boys from the Middle East, also participate in two non-didactic conversations around tasks defined by the research team, one together with his teacher of Swedish, one together with a class-mate of his. The first of the three empirical studies is a qualitative, discursive analysis of salient dialogue processes in language teaching activities. Abrupt shifts and breaks in the dialogue, misunderstandings, and lack of tuning between the conversational parties are interpreted as results of a tension between language at two levels in the language lesson. The dialogue in the language lessons of the corpus is characterized by an ambivalence between two perspectives on language, the ordinary, everyday perspective on language as a means for constructing and conveying messages versus the 'level 2 perspective', where language is seen as anabstract system of decontextualized linguistic items. The two other empirical studies are quantitatively oriented. In the first of these, important differences in dialogue processes, concerning dynamics, coherence and fluency are found between the lessons and the non-didactic conversations, as well as between different activities within the confines of a lesson. One of the most important results is that the teacher's interactional dominance seems to be systematically related to the content of lesson activities. The results of the last study suggest that in lessons, and especially language lessons proper, the pupil is givenfewer opportunities for talking and, also, that he refrains from taking the opportunities actually given to him. The main significance of the research is the demonstration of the dynamic character of linguistic communication and of the way in which linguistic meaning is the product of utterances being embedded in activities on which activity-specific premisses for communication are brought to bear. Also, the second language teaching situation is characterized as connected with particular communicative practices that are imbued with a certain degree of ambivalence and ambiguity.

De nombreux chercheurs se sont intéressés aux particularités lexicales et pragmatico-discursives du langage que les parents adressent à leur jeune enfant. La revue de la littérature sur ce point montre qu’il existe tantôt des différences tantôt des ressemblances entre les mères et les pères. Cependant, les caractéristiques syntaxiques du langage qu’adressent les parents à leur enfant font rarement l’objet d’études. Par ailleurs, les études portant sur les effets du dialogue, des genres de discours déployés durant celui-ci et des activités dans lesquelles interagissent les dyades parent-enfant sur le développement syntaxique de l’enfant sont encore peu développées.Cette thèse s’articule ainsi autour de trois objectifs : i) mieux cerner les différences et les similitudes qui existent dans le langage maternel et paternel aux niveaux syntaxique et pragmatico-discursif, et d’en observer l’influence sur le langage de l’enfant, ii) évaluer l’effet de l’activité en cours sur les productions et les conduites de dyades mère-enfant et père-enfant, iii) interroger les liens qui existent entre dimension syntaxique et dimension pragmatico-discursive dans le processus d’acquisition du langage.Sept enfants francophones natifs, âgés de 3 à 4 ans, et leurs parents ont été observés dans deux activités : un jeu symbolique et un jeu de cartes illustrées. Leurs productions ont été analysées au niveau syntaxique, tout en considérant certaines propriétés discursives et pragmatiques liées aux usages de ces productions (statut de l’interlocuteur de l’enfant, types d’activité et aspects pragmatico-discursifs). Nos résultats suggèrent que le statut de l’interlocuteur de l’enfant, associé aux types d’activités et aux spécificités du dialogue, constituent un faisceau de variables qu’il convient de considérer si l’on veut mieux décrire les usages syntaxiques des enfants et la variabilité de ceux-ci. / Many researchers have studied lexical and pragmatic-discursive particularities of the language that parents use to address their young child. A literature review shows that there are both differences and similarities between mothers and fathers. However, characteristics of the language that parents use for addressing their child have rarely been studied. Moreover, there is a paucity of studies examining the effects on the child’s syntactic development of dialogue, speech genres and activities during which parent-child dyads interact.This thesis has three goals: i) improve understanding of differences and similarities in the syntactic and pragmatic-discursive aspects of maternal and paternal language and their effect on the child’s language, ii) evaluate the effect of the ongoing activity on the production and the use of mother-child and father-child dyads, iii) investigate the relation between syntactic and pragmatic-discursive dimensions during the language learning process.Seven 3-4 years old native French-speaking children and their parents were observed during two activities: a symbolic play and a picture card game. The syntactic dimensions of their productions were analyzed while considering certain discursive and pragmatic properties related to the use of these productions (status of the child’s interlocutor, type of activity and pragmatic-discursive aspects). Our results suggest that the status of the child’s interlocutor, associated with the type of activity and the dialogue’s specificities, form a body of variables that should be taken into account in order to better describe children’s syntactic uses and their variability.

The aim of this thesis is to determine how English-language teaching in Sweden influences the subject-based communicative competence and language development in Swedish of upper secondary students. The focus is thus on the students’ mother tongue, i.e. the language which gets limited in the teaching practice within so-called content- and language-integrated learning (CLIL). Data was primarily collected by participatory observation in two science program classes, one taught in English and one in Swedish, during their three years in upper secondary school. Additional data was collected through interviews, questionnaires, audio taping of classroom interaction and writing tasks. This created conditions for a comprehensive and nuanced description and interpretation of the linguistic behaviour of teachers and students in the CLIL practice, as well as of the experiences and perceptions they report. Studies were carried out on classroom practice, student texts, and teacher and student experiences of CLIL instruction. These were linked to activity analysis, systemic-functional linguistics and ethnography of communication, i.e. research areas that emphasise the interplay between language, communication and social situation. The general conclusions are: (1) CLIL students use less relevant subject-based language in speech and writing than do control students. This holds for all subjects except Swedish, where both CLIL and control students share linguistic conditions; (2) Swedish is a prerequisite for the students’ own active, subject-based participation in classroom interaction. There is almost no interaction when the language of instruction is English; (3) English is an obstacle, and is also considered as such. The students avoid using English, and the teachers consistently use code-switching strategies in response to the policy that “language should not be an obstacle”. The results suggest that the CLIL environment is less conducive to learning, given current learning theories that focus on active participation. In the already teacher-dominated classroom, the linguistic and interactional demands that come with CLIL teaching seem to add to the challenge of assimilating advanced subject instruction.